14:24

Groundwater

19:45

Hydrogeology 101: Introduction to Groundwater Flow

7:11

Groundwater Flow Basics

14:23

Groundwater Flow Model

44:12

Geology 19 (Groundwater)

11:02

Types of Aquifers

19:25

Groundwater Level Basics

14:02

The Bizarre Paths of Groundwater Around Structures